Which Is Better for Your iOS App, React or Swift?

When it comes to iOS app development, companies often find themselves in a predicament of choosing between React Native and Swift. React Native has become one of the most sought-after JavaScript frameworks, whereas Swift is gradually emerging as a robust programming language.

When it comes to selecting the right app development technology, weighing the pros and cons of React Native and Swift can leave you in a dilemma. Nonetheless, each one has its unique advantages and uses.

Recent studies indicate that only 14% of mobile device usage is attributed to web browsing, with the remaining 86% spent on mobile apps. The reason for this could be the customer-focused features including communication options, customer service, and push notifications, that apps offer, creating a holistic customer experience. Consumers are focused on the usefulness of branded apps for buying products, along with how it enhances their overall impression of the company and their inclination towards additional branded apps. Therefore, buyers look for personalized content, added value when purchasing, and easy access to their favourite brands across channels.

Additionally, it is crucial to decide if developing an Android version of your app is necessary to fulfil your goals.

Exploring these two robust frameworks in depth, analyzing their similarities and differences, we can conclude which one of the two options, React or Swift, is the most viable and why.

React and Swift: Definitions and a Comprehensive Comparison

Before drawing a comparison directly between X and Y, it is essential to ensure that all readers have a basic understanding of both frameworks.

What is React Native and How Does It Work?

Facebook developed React Native as a framework for building applications that can be run effortlessly across various platforms. Its JavaScript-based architecture offers an effective solution for creating apps that have broad compatibility.

The need for a cross-platform development framework that is open-source and compatible with both Android and iOS gave rise to the creation of React Native. Prior to its development, Facebook primarily relied on HTML5 to create a cross-platform experience for its users, but the performance of HTML5-based apps failed to meet expectations. In response, Facebook developed React Native to ensure top-notch user experience on both Android and iOS. The ultimate goal of React Native is to create applications for both platforms.

Unlike native applications that use platform-specific programming languages, React Native is based on JavaScript. This makes it possible to reuse code across various platforms including mobile, desktop, and web applications. React Native has been implemented in applications by several prominent companies such as Target, Shopify, and Facebook.

React Native is utilized for creating native applications on multiple platforms by:

  • Cost-effective
  • Rapidly achieve code reusability at a high level
  • Has a vast community of developers
  • Enables the development of web applications

A Beginner’s Guide to Swift

Apple created Swift as a programming language to simplify the creation of iOS-compatible applications. It is widely believed to be the best language for developing exclusive iOS applications. Apple designed Swift as a universal framework for their products, utilizing Apple hardware to its fullest potential.

Apps developed in Swift are compatible with multiple operating systems such as macOS, tvOS, and watchOS, in addition to IBM’s z/OS which runs on mainframe machines. Since its launch in 2014, Swift has become a commonly used, open-source programming language which is fully compliant with the Apache license. Swift can be used with the Objective-C and Cocoa Touch frameworks.

Having examined the primary discrepancies between them, we can now compare and contrast the two to determine which one is most suitable for developing your iOS app.

Undoubtedly, Swift boasts the following:

  • Full capability to utilize all of the device’s native APIs
  • An intricately designed user interface, robust functionality, and swift responses (due to its tailored nature for iOS)
  • Compatible with both Apple hardware and software

Pros and Cons of Choosing React Native

The Advantages of React Native

  • When developing applications for both iOS and Android, React Native can hasten the development process by up to 50%. React Native is ideal for app development due to its extensive selection of pre-made solutions. Additionally, React Native is up to 33% quicker than using Swift for development.
  • React Native provides a consistent framework for mobile application development across multiple devices. Although this can save time in development, there are some possible drawbacks that should be taken into account before utilizing this framework. We will delve more into these drawbacks.
  • React Native is engineered to simplify user experience on mobile devices, enhancing the overall experience. As a result, it is simpler to predict user interactions and identify errors, whereas the same outcome can be achieved through native development, which is a much more elaborate process.

Constraints of React Native

  • Surprisingly, React Native is still in its initial beta phases, hence it may encounter some bugs and incompatibility issues that need addressing. Debugging tools and package compatibility are two of the difficulties that developers may face. Nonetheless, React Native is being continually developed and solutions to these issues will be implemented shortly.
  • React Native’s ability to develop custom modules is limited, creating a disadvantage that is similar to the previously mentioned issue. Additionally, some of its features are still in progress. Regardless of these limitations, React Native offers an extensive variety of fully functional modules, which deliver excellent performance. As a result, it is unlikely that there will be a necessity for developing custom modules while constructing a project.
  • When developing a native application, it is crucial to engage the services of a local programmer. Despite the fact that React Native may be utilized to construct a significant portion of an iOS app, certain elements will still require the expertise of native developers.

Pros and Cons of Using Swift

Benefits of Swift

  • As an open-source programming language, Swift is accessible to everyone and its supportive community allows developers of all levels to benefit from each other’s experience. This significantly curtails the time and energy needed for debugging.
  • Swift promotes quick development of iOS applications, facilitating a much swifter app development process in comparison to other coding languages.
  • Swift’s simplified syntax enhances code readability and comprehension, making it easier to maintain and understand.

Challenges with Swift

  • Because of its relative youth (Swift is only six years old), the Swift community is currently smaller, less diverse and less experienced in comparison to other communities. Nonetheless, these issues are expected to be resolved gradually.
  • Rapid development of Swift has resulted in compatibility issues that need to be taken into consideration. It is not viable to align a Swift 1.0 project with Swift 2.0 or 3.0, which may lead to a lack of compatibility between different Swift releases.

Main Differences between React and Swift

Several factors determine the success of your application. Ensuring that the app is well-designed and optimised before its launch is imperative for market penetration. In addition, app marketing should be a key aspect to consider.

Collaborating with the top digital media marketing companies guarantees app visibility to your target audience. Nevertheless, the first step towards this is creating the best possible app for your business.

To some, it may seem unusual that we’re discussing React Native and its comparison to Swift with regard to iOS app development. The question of “Which programming language is better suited for iOS app development, React or Native?” may appear simple, however, there’s more to it than meets the eye.


When weighing React Native against Swift, it’s crucial to consider the effectiveness of each language with regards to system resources like CPU, memory, and GPU speed.

In terms of CPU efficiency, Swift performs outstandingly. However, it is insufficient when it comes to memory utilization and GPU performance, leading to an inefficient use of resources.

On the contrary, although React Native underperforms in terms of CPU utilization, it demonstrates efficiency in both memory and GPU performance.

One could argue that React Native surpasses Swift in terms of speed, however, performance alone should not be the only factor considered when making such a crucial decision.


React Native enables the creation of applications that are compatible across various platforms. This, in contrast, can result in up to 70% of the codebase being reused for multiple platforms with minimal effort.

If the objective is developing a lightweight iOS app, Swift can provide an efficient solution. Nonetheless, the development team will have to construct the app from scratch, which could impact the project timeline. Consequently, every design element will need to be coded afresh.

Coding Speed

The decision of whether to develop an iOS-only application or enable scalability to multiple platforms will greatly impact the coding speed required for completion. Swift is the most efficient and straightforward way to create an iOS app.

Nevertheless, when designing the application, it’s essential to consider the possibility of expansion to Android in the future since it would be ineffective to build two separate applications.

React Native provides a more efficient solution in such cases; since much of the already written code can be reused for the app’s new version, both development time and expenses are reduced.


The sophistication of the program is praiseworthy. Swift, Apple’s endorsed programming language, is the ideal choice for creating a sophisticated, feature-rich iOS app for your enterprise. Conversely, React is the preferred selection if you desire an app with a cohesive look, feel, and behavior across all platforms.

Swift is commonly recognised as the most fitting framework for developing refined mobile applications. It is tailor-made to enhance Apple’s products, and its source code is refreshed less often, making it suitable for creating complex applications. While Swift or React Native may both be utilised to build intricate applications, certain tasks that are simple in Swift may be challenging in React Native due to its comparatively immature state and swift development cycle, which can lead to frequent application failures.

As an early adopter, Airbnb implemented React Native technology and generated various displays with it, including multiple third-party integrations. Notwithstanding, by 2023, they moved away from React Native due to its inadequacies and immaturity and instead opted for Swift, which was more cost-effective and beneficial over the long run.

The reality is that many businesses do not initiate their construction process correctly at the onset. It is practical to undertake a complete renovation of their program when they experience swift growth, acquire millions of users and reach a state of stagnation. Thus, while Swift is preferred for more intricate applications (and is pricier than React Native), React Native is typically employed for simpler applications with lesser graphics.

The Bottom Line

It is impossible to assert which is superior, React Native or Swift since it relies on the type of application to be developed and the financial and personnel resources accessible to the corporation.

As a remote recruitment agency, we are committed to aiding businesses in locating and hiring the most skilled remote developers available. Our area of expertise comprises React and Swift developers, and we can furnish you with a compensation guide to ensure you find the ideal candidate. If you are seeking to employ an exceptional developer, please do not hesitate to contact us. We will make every effort to help you locate the right candidate for your requirements.

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